<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片式图 -->
        <el-card class="box-card">
            <!-- 搜索与添加区域 -->
           
            <el-row :gutter="20">
                <el-col :span="7">
                    <el-input placeholder="请输入内容"  class="input-with-select" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>

            <!-- 用户列表区 -->
            <!-- 当el-table元素中注入data对象数组后，在el-table-column中用prop属性来对应对象中的键名即可填入数据，用label属性来定义表格的列名。可以使用width属性来定义列宽。 -->
            <el-table :data="userList" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="性别" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态" >
                    <template slot-scope="scope"> 
                        <!-- slot-scope="scope" ele方法得到子组件绑定的值-->
                        <el-switch v-model="scope.row.mg_state" @change="userStatechanged(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" >
                    <template slot-scope="scope" width="180px">
                        <!-- 修改 -->
                        <el-button  type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                        <!-- 删除 -->
                        <el-button  type="danger" icon="el-icon-delete"  size="mini" @click="removeUserById(scope.row.id)"></el-button>
                        <!-- 分配角色按钮 -->
                        <el-tooltip  effect="dark" content="分配角色" placement="top-start" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 2, 5, 10]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>

            <!-- 添加用户的对话框  -->
            <!-- :visible.sync 属性绑定 控制对话框的显示隐藏 -->
            <el-dialog
                title="添加用户"
                :visible.sync="addDialogVisible"
                width="50%"
                @close="addDialogClosed">
             
                <!-- 验证表单 -->
                <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
                    <el-form-item label="用户名" prop="username">
                        <el-input v-model="addForm.username"></el-input>
                    </el-form-item>

                    <el-form-item label="密码" prop="password">
                        <el-input v-model="addForm.password"></el-input>
                    </el-form-item>

                    <el-form-item label="邮箱" prop="email">
                        <el-input v-model="addForm.email"></el-input>
                    </el-form-item>

                    <el-form-item label="手机" prop="mobile">
                        <el-input v-model="addForm.mobile"></el-input>
                    </el-form-item>
                </el-form>



                <!-- 底部区域 -->
                <span slot="footer" class="dialog-footer">
                    <el-button @click="addDialogVisible = false">取 消</el-button>
                    <el-button type="primary" @click="addUser">确 定</el-button>
                </span>
            </el-dialog>

            <!-- 修改用户的对话框 -->
            <el-dialog
                title="修改用户"
                :visible.sync="editDialogVisible"
                width="50%"
                @close="editDialogClosed"
                >
                <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
                    <el-form-item label="用户名">
                        <el-input v-model="editForm.username" disabled></el-input>
                    </el-form-item>
                    <el-form-item label="邮箱" prop="email">
                        <el-input v-model="editForm.email" ></el-input>
                    </el-form-item>
                    <el-form-item label="手机号" prop="mobile">
                        <el-input v-model="editForm.mobile" ></el-input>
                    </el-form-item>
                </el-form>
                <span slot="footer" class="dialog-footer">
                    <el-button @click="editDialogVisible = false">取 消</el-button>
                    <el-button type="primary" @click="editUserInfo">确 定</el-button>
                </span>
            </el-dialog>

            <!-- 分配角色的对话框 -->
            <el-dialog
            title="分配角色"
            :visible.sync="setRoleDialogVisible"
            width="50%"
            @close="setRoleDialogClosed">   
                <div>
                    <p>当前的用户：{{userinfo.username}}</p>
                    <p>当前的角色：{{userinfo.role_name}}</p>
                    <p>分配新的角色: 
                        <el-select v-model="selectedRoleId" placeholder="请选择">
                            <el-option
                            v-for="item in roleList"
                            :key="item.id"
                            :label="item.roleName"
                            :value="item.id">
                            </el-option>
                    </el-select>
                    </p>
                </div>
               
                <span slot="footer" class="dialog-footer">
                    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
                </span>
            </el-dialog>

        </el-card>
    </div>
</template>

<script>
export default {
    data(){
        // 自定义验证规则
        // 邮箱
        var checkEmail = (rule,value,cb) => {
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            if(regEmail.test(value)){
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
        // 手机号
        var checkMobile = (rule,value,cb)  => {
            const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
                if (regMobile.test(value)) {
                    return cb()
                }
                cb(new Error('请输入正确的手机号'))
        }
        return {
            // 获取用户列表的参数对象
            queryInfo:{
                query:'',
                pagenum:1,   // 当前的页数
                pagesize:4,  // 当前页面显示多少条数据
            },
            userList:[],
            total:0,
            addDialogVisible:false, // 控制用户对话框的显示与隐藏
            // 添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:"",
                mobile:''
            },
            // 添加表单的验证规则对象
            addFormRules:{
                username:[
                    // 失去焦点时触发 验证用户名
                    {required:true,message:"请输入用户名",trigger:'blur'},
                    {min:3,max:10,message:"用户名在3-10之间",trigger:'blur'}
                ],
                password:[
                    // 失去焦点时触发 验证用户名
                    {required:true,message:"请输入用密码",trigger:'blur'},
                    {min:3,max:10,message:"密码在3-10之间",trigger:'blur'}
                ],
                email:[
                    // 失去焦点时触发 验证用户名
                    {required:true,message:"请输入邮箱",trigger:'blur'},
                    {validator:checkEmail,trigger:'blur'}
                ],
                mobile:[
                    // 失去焦点时触发 验证用户名
                    {required:true,message:"请输入手机号",trigger:'blur'},
                    {validator:checkMobile,trigger:'blur'}

                ],
            },
            // 修改用户对话框的展示与隐藏
            editDialogVisible:false,
            editForm:{

            },
            // 修改表单的验证规则对象
            editFormRules:{
                email:[
                    {required:true,message:"请输入用户邮箱",trigger:'blur'},
                    {validator:checkEmail,trigger:'blur'}
                ],
                mobile:[
                    {required:true,message:"请输入用户手机号",trigger:'blur'},
                    {validator:checkMobile,trigger:'blur'}
                ],
                
            },
            // 控制分配角色对话框显示与隐藏
            setRoleDialogVisible:false,
            // 需要被分配角色的用户信息
            userinfo:{},
            // 所有角色数据列表
            roleList:[],
            // 选中的分配角色id值
            selectedRoleId:"",
            
        }
    },
    created(){
        this.getUserList()
    },
    methods:{
        async getUserList(){
            const {data:res} = await this.$http.get('./users',{params:this.queryInfo})
            console.log(res);
            console.log('this.queryInfo',this.queryInfo);
            if(res.meta.status !==200) return this.$message.error('获取信息失败！')
            this.userList = res.data.users
            console.log(this.userList);
            this.total = res.data.total
        },
        // 监听pagesize改变的事件
        handleSizeChange(newSize){
            // console.log(newSize);
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        // 监听页码值改变的事件
        handleCurrentChange(newPage){
            // console.log(newPage);
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        // 监听switch状态的改变
        async userStatechanged(userinfo){
            // console.log(userinfo);
            const {data:res}= await this.$http.put(`/users/${userinfo.id}/state/${userinfo.mg_state}`)
            console.log(res);
            if(res.meta.status !== 200) {
                userinfo.mg_state != userinfo.mg_state
                return this.$message.error("更新用户状态失败")
            }
            console.log(res.data);
            res.data.forEach(item =>{
                item.attr_vals.split(' ')
            })
            this.$message.success("更新用户状态成功")
        },
        // 监听添加用户对话框的关闭事件
        addDialogClosed() {
            this.$refs.addFormRef.resetFields()
        }, 
        // 添加用户验证
        addUser(){
            // valid 验证返回的结果
            this.$refs.addFormRef.validate(async valid => {
                if(!valid) return 
                // 通过则发起网络请求
                // const {data:res } = await this.$http.post('users',{params:this.addForm})
                const {data:res } = await this.$http.post('users',this.addForm)
                if(res.meta.status !== 201) {
                    this.$message.error('添加用户失败')
                }
                this.$message.success('添加用户成功')
                this.addDialogVisible = false
                this.getUserList()
            })
        },
        // 用户修改信息对话框
        async showEditDialog(id){
            // console.log(id);
            const {data:res} = await this.$http.get("users/"+id)
            if(res.meta.status !== 200){
                return this.$message.error("查询用户信息失败！")
            }
            this.editForm = res.data
            console.log("this.editForm",this.editForm);
            this.editDialogVisible = true
        },
        // 关闭对话框后重置验证结果
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        }, 
        // 修改用户信息并提交
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid => {
                if(!valid) return
                // 发起修改用户信息的数据
                const {data:res}= await this.$http.put("users/"+ this.editForm.id,{
                    email:this.editForm.email,
                    mobile:this.editForm.mobile,
                })
                if(res.meta.status !== 200) {
                    return this.$message.error("更新用户信息失败")
                } 
                // 关闭对话框
                this.editDialogVisible = false 
                // 刷新数据
                this.getUserList()
                // 提示修改成功
                return this.$message.success("更新用户信息成功")
            })
        },
        // 根据ID删除用户信息
        async removeUserById(id){
            console.log(id);
            // 弹框是否删除
            const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning' // 小图标
            }).catch(err => err) // 捕捉错误 返回给了confirmResult
            // 用户确认删除则 confirmResult = "confirm"
            // 用户确认删除则 confirmResult = "cancel"
            if(confirmResult!=="confirm"){
                return this.$message.info('已经取消删除')
            }
            // 发送删除请求
            const {data:res}=await this.$http.delete('users/'+id)
            if(res.meta.status!==200){
                return this.$message.info('删除用户失败')
            }
            this.$message.success('删除成功')
            this.getUserList()
        },
        // 展示分配角色对话框
        async setRole(userinfo){
            this.userinfo = userinfo

            // 获取所有角色列表
            const {data:res} = await this.$http.get('roles')
            if(res.meta.status !== 200){
                return this.$message.error("获取角色列表失败")
            }

            this.roleList = res.data

            this.setRoleDialogVisible = true
        },
        async saveRoleInfo(){
            if(!this.selectedRoleId){
                return this.$message.error("请选择要分配的用户")
            }

            const {data:res} = await this.$http.put(`users/${this.userinfo.id}/role`,{rid:this.selectedRoleId})
            console.log(this.userinfo.id,this.selectedRoleId);
            if(res.meta.status!==200){
                console.log(res.meta);
                return this.$message.error("分配角色失败")
            }
            this.$message.success("分配角色成功")
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        setRoleDialogClosed(){
            this.selectedRoleId=''
            this.userinfo = {}
        }
        

    }
}
</script>

<style lang='less' scoped>

</style>
